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Question
Write a short note on the following type of element –
noble gases
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Solution
Element of 18th or O group (He, Ne, Ar, Kr, Xe, Rn) is called noble gases as they are inert gases and have valency 0. All are mono-atomic.
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RELATED QUESTIONS
What is meant in the periodic table by a group?
What are the following group known as?
Group 1
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Alkali metals are kept in an inert solvent.
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alkali metals
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alkaline earth metals
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The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
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The group which contains highly reactive electronegative non-metals including chlorine.
